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260 lines
11 KiB
C
260 lines
11 KiB
C
/* mz_zip.h -- Zip manipulation
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part of the minizip-ng project
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Copyright (C) 2010-2021 Nathan Moinvaziri
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https://github.com/zlib-ng/minizip-ng
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Copyright (C) 2009-2010 Mathias Svensson
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Modifications for Zip64 support
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http://result42.com
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Copyright (C) 1998-2010 Gilles Vollant
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https://www.winimage.com/zLibDll/minizip.html
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This program is distributed under the terms of the same license as zlib.
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See the accompanying LICENSE file for the full text of the license.
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*/
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#ifndef MZ_ZIP_H
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#define MZ_ZIP_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/***************************************************************************/
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typedef struct mz_zip_file_s {
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uint16_t version_madeby; /* version made by */
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uint16_t version_needed; /* version needed to extract */
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uint16_t flag; /* general purpose bit flag */
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uint16_t compression_method; /* compression method */
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time_t modified_date; /* last modified date in unix time */
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time_t accessed_date; /* last accessed date in unix time */
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time_t creation_date; /* creation date in unix time */
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uint32_t crc; /* crc-32 */
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int64_t compressed_size; /* compressed size */
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int64_t uncompressed_size; /* uncompressed size */
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uint16_t filename_size; /* filename length */
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uint16_t extrafield_size; /* extra field length */
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uint16_t comment_size; /* file comment length */
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uint32_t disk_number; /* disk number start */
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int64_t disk_offset; /* relative offset of local header */
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uint16_t internal_fa; /* internal file attributes */
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uint32_t external_fa; /* external file attributes */
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const char *filename; /* filename utf8 null-terminated string */
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const uint8_t *extrafield; /* extrafield data */
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const char *comment; /* comment utf8 null-terminated string */
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const char *linkname; /* sym-link filename utf8 null-terminated string */
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uint16_t zip64; /* zip64 extension mode */
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uint16_t aes_version; /* winzip aes extension if not 0 */
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uint8_t aes_encryption_mode; /* winzip aes encryption mode */
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uint16_t pk_verify; /* pkware encryption verifier */
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} mz_zip_file, mz_zip_entry;
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/***************************************************************************/
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typedef int32_t (*mz_zip_locate_entry_cb)(void *handle, void *userdata, mz_zip_file *file_info);
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/***************************************************************************/
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void * mz_zip_create(void **handle);
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/* Create zip instance for opening */
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void mz_zip_delete(void **handle);
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/* Delete zip object */
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int32_t mz_zip_open(void *handle, void *stream, int32_t mode);
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/* Create a zip file, no delete file in zip functionality */
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int32_t mz_zip_close(void *handle);
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/* Close the zip file */
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int32_t mz_zip_get_comment(void *handle, const char **comment);
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/* Get a pointer to the global comment */
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int32_t mz_zip_set_comment(void *handle, const char *comment);
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/* Sets the global comment used for writing zip file */
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int32_t mz_zip_get_version_madeby(void *handle, uint16_t *version_madeby);
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/* Get the version made by */
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int32_t mz_zip_set_version_madeby(void *handle, uint16_t version_madeby);
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/* Sets the version made by used for writing zip file */
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int32_t mz_zip_set_recover(void *handle, uint8_t recover);
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/* Sets the ability to recover the central dir by reading local file headers */
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int32_t mz_zip_set_data_descriptor(void *handle, uint8_t data_descriptor);
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/* Sets the use of data descriptor flag when writing zip entries */
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int32_t mz_zip_get_stream(void *handle, void **stream);
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/* Get a pointer to the stream used to open */
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int32_t mz_zip_set_cd_stream(void *handle, int64_t cd_start_pos, void *cd_stream);
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/* Sets the stream to use for reading the central dir */
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int32_t mz_zip_get_cd_mem_stream(void *handle, void **cd_mem_stream);
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/* Get a pointer to the stream used to store the central dir in memory */
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int32_t mz_zip_set_number_entry(void *handle, uint64_t number_entry);
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/* Sets the total number of entries */
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int32_t mz_zip_get_number_entry(void *handle, uint64_t *number_entry);
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/* Get the total number of entries */
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int32_t mz_zip_set_disk_number_with_cd(void *handle, uint32_t disk_number_with_cd);
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/* Sets the disk number containing the central directory record */
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int32_t mz_zip_get_disk_number_with_cd(void *handle, uint32_t *disk_number_with_cd);
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/* Get the disk number containing the central directory record */
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/***************************************************************************/
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int32_t mz_zip_entry_is_open(void *handle);
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/* Check to see if entry is open for read/write */
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int32_t mz_zip_entry_read_open(void *handle, uint8_t raw, const char *password);
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/* Open for reading the current file in the zip file */
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int32_t mz_zip_entry_read(void *handle, void *buf, int32_t len);
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/* Read bytes from the current file in the zip file */
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int32_t mz_zip_entry_read_close(void *handle, uint32_t *crc32, int64_t *compressed_size,
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int64_t *uncompressed_size);
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/* Close the current file for reading and get data descriptor values */
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int32_t mz_zip_entry_write_open(void *handle, const mz_zip_file *file_info,
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int16_t compress_level, uint8_t raw, const char *password);
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/* Open for writing the current file in the zip file */
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int32_t mz_zip_entry_write(void *handle, const void *buf, int32_t len);
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/* Write bytes from the current file in the zip file */
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int32_t mz_zip_entry_write_close(void *handle, uint32_t crc32, int64_t compressed_size,
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int64_t uncompressed_size);
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/* Close the current file for writing and set data descriptor values */
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int32_t mz_zip_entry_seek_local_header(void *handle);
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/* Seeks to the local header for the entry */
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int32_t mz_zip_entry_close_raw(void *handle, int64_t uncompressed_size, uint32_t crc32);
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/* Close the current file in the zip file where raw is compressed data */
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int32_t mz_zip_entry_close(void *handle);
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/* Close the current file in the zip file */
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/***************************************************************************/
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int32_t mz_zip_entry_is_dir(void *handle);
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/* Checks to see if the entry is a directory */
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int32_t mz_zip_entry_is_symlink(void *handle);
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/* Checks to see if the entry is a symbolic link */
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int32_t mz_zip_entry_get_info(void *handle, mz_zip_file **file_info);
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/* Get info about the current file, only valid while current entry is open */
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int32_t mz_zip_entry_get_local_info(void *handle, mz_zip_file **local_file_info);
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/* Get local info about the current file, only valid while current entry is being read */
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int32_t mz_zip_entry_set_extrafield(void *handle, const uint8_t *extrafield, uint16_t extrafield_size);
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/* Sets or updates the extra field for the entry to be used before writing cd */
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int64_t mz_zip_get_entry(void *handle);
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/* Return offset of the current entry in the zip file */
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int32_t mz_zip_goto_entry(void *handle, int64_t cd_pos);
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/* Go to specified entry in the zip file */
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int32_t mz_zip_goto_first_entry(void *handle);
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/* Go to the first entry in the zip file */
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int32_t mz_zip_goto_next_entry(void *handle);
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/* Go to the next entry in the zip file or MZ_END_OF_LIST if reaching the end */
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int32_t mz_zip_locate_entry(void *handle, const char *filename, uint8_t ignore_case);
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/* Locate the file with the specified name in the zip file or MZ_END_LIST if not found */
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int32_t mz_zip_locate_first_entry(void *handle, void *userdata, mz_zip_locate_entry_cb cb);
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/* Locate the first matching entry based on a match callback */
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int32_t mz_zip_locate_next_entry(void *handle, void *userdata, mz_zip_locate_entry_cb cb);
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/* Locate the next matching entry based on a match callback */
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/***************************************************************************/
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int32_t mz_zip_attrib_is_dir(uint32_t attrib, int32_t version_madeby);
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/* Checks to see if the attribute is a directory based on platform */
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int32_t mz_zip_attrib_is_symlink(uint32_t attrib, int32_t version_madeby);
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/* Checks to see if the attribute is a symbolic link based on platform */
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int32_t mz_zip_attrib_convert(uint8_t src_sys, uint32_t src_attrib, uint8_t target_sys,
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uint32_t *target_attrib);
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/* Converts file attributes from one host system to another */
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int32_t mz_zip_attrib_posix_to_win32(uint32_t posix_attrib, uint32_t *win32_attrib);
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/* Converts posix file attributes to win32 file attributes */
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int32_t mz_zip_attrib_win32_to_posix(uint32_t win32_attrib, uint32_t *posix_attrib);
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/* Converts win32 file attributes to posix file attributes */
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/***************************************************************************/
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int32_t mz_zip_extrafield_find(void *stream, uint16_t type, int32_t max_seek, uint16_t *length);
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/* Seeks to extra field by its type and returns its length */
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int32_t mz_zip_extrafield_contains(const uint8_t *extrafield, int32_t extrafield_size,
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uint16_t type, uint16_t *length);
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/* Gets whether an extrafield exists and its size */
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int32_t mz_zip_extrafield_read(void *stream, uint16_t *type, uint16_t *length);
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/* Reads an extrafield header from a stream */
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int32_t mz_zip_extrafield_write(void *stream, uint16_t type, uint16_t length);
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/* Writes an extrafield header to a stream */
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/***************************************************************************/
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int32_t mz_zip_dosdate_to_tm(uint64_t dos_date, struct tm *ptm);
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/* Convert dos date/time format to struct tm */
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time_t mz_zip_dosdate_to_time_t(uint64_t dos_date);
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/* Convert dos date/time format to time_t */
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int32_t mz_zip_time_t_to_tm(time_t unix_time, struct tm *ptm);
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/* Convert time_t to time struct */
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uint32_t mz_zip_time_t_to_dos_date(time_t unix_time);
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/* Convert time_t to dos date/time format */
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uint32_t mz_zip_tm_to_dosdate(const struct tm *ptm);
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/* Convert struct tm to dos date/time format */
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int32_t mz_zip_ntfs_to_unix_time(uint64_t ntfs_time, time_t *unix_time);
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/* Convert ntfs time to unix time */
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int32_t mz_zip_unix_to_ntfs_time(time_t unix_time, uint64_t *ntfs_time);
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/* Convert unix time to ntfs time */
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/***************************************************************************/
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int32_t mz_zip_path_compare(const char *path1, const char *path2, uint8_t ignore_case);
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/* Compare two paths without regard to slashes */
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/***************************************************************************/
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const
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char* mz_zip_get_compression_method_string(int32_t compression_method);
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/* Gets a string representing the compression method */
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/***************************************************************************/
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#ifdef __cplusplus
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}
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#endif
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#endif /* _ZIP_H */
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